QF 73 then AC 742 at San Francisco
Sydney → San Francisco → Toronto
Timetable, San Francisco time
15:55QF 73 from Sydney at the gatealso AS 5001, AA 7397
14:00AC 742 to Toronto leaves the gatealso NZ 4734, OS 8357
22 h 05 apart on the timetable, overnight
AC 742 leaves 22 h 05 after QF 73 arrives on the timetable: more than half a day, so not a connection we count.